S UPERCHARGER I
YAMAHA KITS AND TUNING PARTS

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Yamaha FX-HO/FX140 RPM Kit

Phone The Jetworks Order Hot-Line: 01227 771 831

yamah tuning

Part No.

Description

Price £

RY1325

RIVA FX Power Air Filter

79.95

RY1325-VSK

RIVA FX Velocity Stack Kit

124.00

RY1613

RIVA FX Free Flow Exhaust Kit

129.00

RY21013

RIVA FX-HO Performance Ride Plate

169.00

RY22325

RIVA FX Top Loading Intake Grate

134.00

RY2525

RIVA FX Pump Seal Kit

69.00

S0Y002

SOLAS YG-DF-14/20 Dyna-Fly Impeller

239.00

RY2625

RIVA FX Pro-Series Sponsons

249.00

Parts Total

 

Special Kit Price

 


The RIVA FX kit achieves it's 4-5 mph gain in top speed, simply by helping the motor to breath more easily, without a tune in sight. The improved air flow into the engine
is balanced by the benefits of the Free Flow Exhaust kit (not shown) that replaces the restrictive sound suppression system. Handling and hook-up are greatly improved by the Solas Impeller, Pump Seal Kit, Top-Loading Grate, Ride Plate and Sponsons..

Performance
Stock

59–60 MPH @ 10,100 RPM

RPM Kit

64 MPH @ 10,300 RPM

Part No.

Description

Price f

RY13030

VX110 Power Filter Kit

199.00

SOY001

SOLAS YH-CD-18/24 Concord Impeller

239.00

RY2625

VX110 Pro-Series Sponson Kit

249.00

RY2525

VX110 Pump Shoe Seal Kit

69.00

 

Parts Total

 

Special Kit Price

 

yamaha prformance

 


JET SKI SUPERCHARGER How it Works

jetski Unlike turbochargers, which use the exhaust gases created by combustion to power the compressor,Jet Ski superchargers draw their power directly from the crankshaft.

jetski Most are driven by an accessory belt or gearing connected to a drive gear. The drive gear, in turn, rotates the compressor gear. The rotor of the compressor can come in various designs, but its job is to draw air in, squeeze the air into a smaller space and discharge it into the intake manifold.

jetski To pressurize the air, a Jet Ski supercharger must spin rapidly -- more rapidly than the engine itself. Making the drive gear larger than the compressor gear causes the compressor to spin faster. Jet Ski Superchargers can spin at speeds as high as 50,000 to 65,000 rotations per minute (RPM).

jetski A compressor spinning at 50,000 RPM translates to a boost of about six to nine pounds per square inch (psi). That's six to nine additional psi over the atmospheric pressure at a particular elevation. Atmospheric pressure at sea level is 14.7 psi, so a typical boost from a supercharger places about 50 percent more air into the Jet Ski engine.

jetskiAs the air is compressed, it gets hotter, which means that it loses its density and can not expand as much during the explosion. This means that it can't create as much power when it's ignited by the spark plug.

jetski For a Jet Ski supercharger to work at peak efficiency, the compressed air exiting the discharge unit must be cooled before it enters the intake manifold. The intercooler is responsible for this cooling process.

jetski Intercoolers come in two basic designs: air-to-air intercoolers and air-to-water intercoolers. Both work just like a radiator, with cooler air or water sent through a system of pipes or tubes.

jetski As the hot air exiting the supercharger encounters the cooler pipes, it also cools down. The reduction in air temperature increases the density of the air, which makes for a denser charge entering the combustion chamber.

The Jetworks Order Hot-Line: 01227 771 831

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